If you're an ethically minded consumer, you should buy organic because it's better for the environment, right? Actually, the case isn't so clear-cut. But you should certainly buy fair-trade because it's better for foreign laborers, right? Well... that's complicated too. In this episode of Rationally Speaking, Julia and Massimo talk about how hard it is to know how much good you're accomplishing with your purchases, or whether you're even doing any good at all.